K4 Na2 As2

semiconductor

· K4 Na2 As2

K4Na2As2 is an intermetallic semiconductor compound containing potassium, sodium, and arsenic elements, belonging to the family of alkali-metal arsenides. This is a research-phase material studied primarily for its electronic and structural properties rather than established in high-volume industrial production. The material's potential lies in semiconductor applications and solid-state physics research, where its unique crystal structure and electronic characteristics may offer advantages in niche applications such as thermoelectric devices, photovoltaic materials, or specialized optoelectronic components, though practical engineering adoption remains limited pending further development and characterization.

semiconductor researchthermoelectric materialssolid-state physicsexperimental photovoltaicsintermetallic compoundsmaterials science development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	17.77	GPa	—
Shear Modulus(G)	11.42	GPa	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.4198	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.4780	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

K4 Na2 As2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control